Base | Representation |
---|---|
bin | 1111100001011… |
… | …10000111110101 |
3 | 100002000110202022 |
4 | 13300232013311 |
5 | 231313243331 |
6 | 20530522525 |
7 | 3140533550 |
oct | 760560765 |
9 | 302013668 |
10 | 130212341 |
11 | 67557506 |
12 | 37736445 |
13 | 20c9132c |
14 | 13417697 |
15 | b67167b |
hex | 7c2e1f5 |
130212341 has 4 divisors (see below), whose sum is σ = 148814112. Its totient is φ = 111610572.
The previous prime is 130212337. The next prime is 130212343. The reversal of 130212341 is 143212031.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 143212031 = 67 ⋅2137493.
It is a cyclic number.
It is not a de Polignac number, because 130212341 - 22 = 130212337 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130212343) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9300875 + ... + 9300888.
It is an arithmetic number, because the mean of its divisors is an integer number (37203528).
Almost surely, 2130212341 is an apocalyptic number.
It is an amenable number.
130212341 is a deficient number, since it is larger than the sum of its proper divisors (18601771).
130212341 is an equidigital number, since it uses as much as digits as its factorization.
130212341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18601770.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 130212341 is about 11411.0622204946. The cubic root of 130212341 is about 506.8553663379.
Adding to 130212341 its reverse (143212031), we get a palindrome (273424372).
The spelling of 130212341 in words is "one hundred thirty million, two hundred twelve thousand, three hundred forty-one".
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